add packages

packages.txt

@@ -0,0 +1 @@
+python3-opencv

app.py

@@ -71,7 +71,9 @@ Questions, doubts, comments, please email 📧 `leonelhs@gmail.com`
 
 This demo is running on a CPU, if you like this project please make us a donation to run on a GPU or just give us a <a href='https://github.com/leonelhs/face-shine' target='_blank'>Github ⭐</a>
 
-<a href="https://www.buymeacoffee.com/leonelhs"><img src="https://img.buymeacoffee.com/button-api/?text=Buy me a coffee&emoji=&slug=leonelhs&button_colour=FFDD00&font_colour=000000&font_family=Cookie&outline_colour=000000&coffee_colour=ffffff" /></a>
+<a href="https://www.buymeacoffee.com/leonelhs">
+<img src="https://img.buymeacoffee.com/button-api/?text=Buy me a coffee&emoji=&slug=leonelhs&button_colour=FFDD00&font_colour=000000&font_family=Cookie&outline_colour=000000&coffee_colour=ffffff" />
+</a>
 
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 """